Apparatus to control fluid flow through a tube



FIG. 1 is a front, top, and right-side perspective view of an apparatus to control fluid flow through a tube, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a back elevational view thereof;

FIG. 5 is a left-side elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top plan view thereof.

The broken lines in the drawings depict portions of the apparatus to control fluid flow through a tube that form no part of the claimed design.

The dash-dot broken lines define the bounds of the claimed design and form no part thereof. 

CLAIM The ornamental design for an apparatus to control fluid flow through a tube, as shown and described. 